Czechoslovakia stamps year 1977 Airmail – PRAGA 1978 International Stamp Exhibition MNH
📮 Czechoslovakia – Airmail Stamp for PRAGA 1978
- Official Issue Date: 15 September 1977 — even though it commemorates the PRAGA 1978 exhibition, it was issued in 1977 as a special airmail (air mail) stamp.
- Purpose: Commemorative airmail stamp for the World Stamp Exhibition PRAGA 1978 held in Prague.
- Theme / Topic: Early aviation / aircraft, linking the idea of airmail and aviation history.
- Design & Imagery: Shows aircraft motifs (airplanes such as the E-Taube and von Dunn types on some variations).
- Stamp Details (Catalogue):
- Michel: 2397
- Scott: C90
- Yvert: 2233
- Stanley Gibbons: 2359
- Perforation: Comb 11¼ × 11½
- Watermark: None
- Printing: Photogravure & steel engraving
- Paper: Plain, with water-activated gum
- (These numbers and details are standard catalog references used by collectors to identify and value stamps.)
📅 Context – PRAGA Stamp Exhibitions
- PRAGA was a regular international stamp exhibition series held in Prague — a major global philatelic event that brought together collectors and postal administrations.
- In 1977, Czechoslovakia issued several PRAGA78 related commemoratives throughout the year for different themes (Historic Prague Windows, Postal Uniforms, Regional Headdresses), culminating with the Airmail (Early Aviation) stamps on 15 September.
📦 Other PRAGA 78 Issues
- In 1978 proper (the official exhibition year), Czechoslovakia issued additional PRAGA 78 commemorative stamps (e.g., set featuring the Prague Town Hall Astronomical Clock) on 20 June 1978.
- There were also souvenir sheets (aršíky) and variants with/without inscriptions for collectors related to PRAGA 78.

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